diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java b/packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java
index 5969e9290c9c9..c09bde5e7004c 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java
@@ -71,7 +71,6 @@ import android.os.ServiceManager;
 import android.os.Trace;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.os.Vibrator;
 import android.provider.Settings;
 import android.service.dreams.DreamService;
 import android.service.dreams.IDreamManager;
@@ -86,7 +85,6 @@ import android.util.Log;
 import android.util.SparseArray;
 import android.util.SparseBooleanArray;
 
-import androidx.annotation.Nullable;
 import androidx.lifecycle.Observer;
 
 import com.android.internal.annotations.VisibleForTesting;
@@ -98,7 +96,6 @@ import com.android.systemui.DejankUtils;
 import com.android.systemui.Dumpable;
 import com.android.systemui.R;
 import com.android.systemui.biometrics.AuthController;
-import com.android.systemui.biometrics.UdfpsController;
 import com.android.systemui.broadcast.BroadcastDispatcher;
 import com.android.systemui.dagger.SysUISingleton;
 import com.android.systemui.dagger.qualifiers.Background;
@@ -286,9 +283,6 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
     @VisibleForTesting
     protected boolean mTelephonyCapable;
 
-    private final boolean mAcquiredHapticEnabled = false;
-    @Nullable private final Vibrator mVibrator;
-
     // Device provisioning state
     private boolean mDeviceProvisioned;
 
@@ -1407,7 +1401,6 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
     @VisibleForTesting
     final FingerprintManager.AuthenticationCallback mFingerprintAuthenticationCallback
             = new AuthenticationCallback() {
-                private boolean mPlayedAcquiredHaptic;
 
                 @Override
                 public void onAuthenticationFailed() {
@@ -1419,11 +1412,6 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
                     Trace.beginSection("KeyguardUpdateMonitor#onAuthenticationSucceeded");
                     handleFingerprintAuthenticated(result.getUserId(), result.isStrongBiometric());
                     Trace.endSection();
-
-                    // on auth success, we sometimes never received an acquired haptic
-                    if (!mPlayedAcquiredHaptic && isUdfpsEnrolled()) {
-                        playAcquiredHaptic();
-                    }
                 }
 
                 @Override
@@ -1439,17 +1427,11 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
                 @Override
                 public void onAuthenticationAcquired(int acquireInfo) {
                     handleFingerprintAcquired(acquireInfo);
-                    if (acquireInfo == FingerprintManager.FINGERPRINT_ACQUIRED_GOOD
-                            && isUdfpsEnrolled()) {
-                        mPlayedAcquiredHaptic = true;
-                        playAcquiredHaptic();
-                    }
                 }
 
                 @Override
                 public void onUdfpsPointerDown(int sensorId) {
                     Log.d(TAG, "onUdfpsPointerDown, sensorId: " + sensorId);
-                    mPlayedAcquiredHaptic = false;
                 }
 
                 @Override
@@ -1458,17 +1440,6 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
                 }
             };
 
-    /**
-     * Play haptic to signal udfps fingeprrint acquired.
-     */
-    @VisibleForTesting
-    public void playAcquiredHaptic() {
-        if (mAcquiredHapticEnabled && mVibrator != null) {
-            mVibrator.vibrate(UdfpsController.EFFECT_CLICK,
-                    UdfpsController.VIBRATION_SONIFICATION_ATTRIBUTES);
-        }
-    }
-
     private final FaceManager.FaceDetectionCallback mFaceDetectionCallback
             = (sensorId, userId, isStrongBiometric) -> {
                 // Trigger the face success path so the bouncer can be shown
@@ -1772,8 +1743,8 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
             AuthController authController,
             TelephonyListenerManager telephonyListenerManager,
             FeatureFlags featureFlags,
-            InteractionJankMonitor interactionJankMonitor,
-            @Nullable Vibrator vibrator) {
+            InteractionJankMonitor interactionJankMonitor
+    ) {
         mContext = context;
         mSubscriptionManager = SubscriptionManager.from(context);
         mTelephonyListenerManager = telephonyListenerManager;
@@ -1789,7 +1760,6 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
         mLockPatternUtils = lockPatternUtils;
         mAuthController = authController;
         dumpManager.registerDumpable(getClass().getName(), this);
-        mVibrator = vibrator;
 
         mHandler = new Handler(mainLooper) {
             @Override
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsHapticsSimulator.kt b/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsHapticsSimulator.kt
index ea2bbfad1b74b..e23131069eaba 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsHapticsSimulator.kt
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsHapticsSimulator.kt
@@ -58,9 +58,6 @@ class UdfpsHapticsSimulator @Inject constructor(
                 "start" -> {
                     udfpsController?.playStartHaptic()
                 }
-                "acquired" -> {
-                    keyguardUpdateMonitor.playAcquiredHaptic()
-                }
                 "success" -> {
                     // needs to be kept up to date with AcquisitionClient#SUCCESS_VIBRATION_EFFECT
                     vibrator?.vibrate(
@@ -82,7 +79,6 @@ class UdfpsHapticsSimulator @Inject constructor(
         pw.println("Usage: adb shell cmd statusbar udfps-haptic <haptic>")
         pw.println("Available commands:")
         pw.println("  start")
-        pw.println("  acquired")
         pw.println("  success, always plays CLICK haptic")
         pw.println("  error, always plays DOUBLE_CLICK haptic")
     }
diff --git a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardUpdateMonitorTest.java b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardUpdateMonitorTest.java
index 0772b20985655..b95a33b2b806f 100644
--- a/packages/SystemUI/tests/src/com/android/keyguard/KeyguardUpdateMonitorTest.java
+++ b/packages/SystemUI/tests/src/com/android/keyguard/KeyguardUpdateMonitorTest.java
@@ -64,7 +64,6 @@ import android.os.Handler;
 import android.os.IRemoteCallback;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.os.Vibrator;
 import android.telephony.ServiceState;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
@@ -173,8 +172,6 @@ public class KeyguardUpdateMonitorTest extends SysuiTestCase {
     private FeatureFlags mFeatureFlags;
     @Mock
     private InteractionJankMonitor mInteractionJankMonitor;
-    @Mock
-    private Vibrator mVibrator;
     @Captor
     private ArgumentCaptor<StatusBarStateController.StateListener> mStatusBarStateListenerCaptor;
     // Direct executor
@@ -1064,7 +1061,7 @@ public class KeyguardUpdateMonitorTest extends SysuiTestCase {
                     mRingerModeTracker, mBackgroundExecutor,
                     mStatusBarStateController, mLockPatternUtils,
                     mAuthController, mTelephonyListenerManager, mFeatureFlags,
-                    mInteractionJankMonitor, mVibrator);
+                    mInteractionJankMonitor);
             setStrongAuthTracker(KeyguardUpdateMonitorTest.this.mStrongAuthTracker);
         }